1/*
2 * @APPLE_LICENSE_HEADER_START@
3 *
4 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#undef enqueue
25#include "IOHIDEventSystemQueue.h"
26
27#define super IOSharedDataQueue
28OSDefineMetaClassAndStructors( IOHIDEventSystemQueue, super )
29
30//---------------------------------------------------------------------------
31Boolean IOHIDEventSystemQueue::enqueue(void *data, UInt32 dataSize)
32{
33    Boolean             result  = false;
34
35    _didSendNotificationForLastEnqueue = false;
36
37    result = super::enqueue(data, dataSize);
38    if (!_didSendNotificationForLastEnqueue) {
39        //kprintf("IOHIDEventSystemQueue sending notification for IOSharedDataQueue.\n");
40        sendDataAvailableNotification();
41    }
42
43    return result;
44}
45
46//---------------------------------------------------------------------------
47void IOHIDEventSystemQueue::sendDataAvailableNotification()
48{
49    super::sendDataAvailableNotification();
50    _didSendNotificationForLastEnqueue = true;
51}
52
53//---------------------------------------------------------------------------
54